Tech: React, React Native, Next.js, Node.js, PostgreSQL, AWS, REST APIs, LLM APIs (OpenAI/GPT)

• Built and deployed a full-stack nationwide peer-to-peer marketplace enabling secure buying and selling with shipping-first infrastructure.

• Developed the platform end-to-end (frontend, backend, APIs), and shipped a cross-platform mobile app (iOS + Android) for early users.

• Designed and implemented core marketplace systems including listings, search, user accounts, messaging, and transaction flows.

• Engineered trust and safety features such as escrow payments, account verification, and anti-fraud mechanisms to improve user reliability.

• Reduced user drop-off by 80% and improved page load performance by 70% through UX optimizations, performance tuning, and streamlined user flows.

• Shipped features rapidly in a fast iteration cycle, prioritizing based on user feedback and marketplace activity.

Tech: Node.js, PostgreSQL, REST APIs, LLM APIs (OpenAI/GPT)

• Built an AI-powered B2B invoicing system that automated invoice generation from client activity, reducing

billing cycle time by 75% and minimizing manual errors

• Automated invoice validation, approval workflows, and PDF generation, reducing manual processing time

and eliminating billing bottlenecks

• Integrated Node.js and PostgreSQL-based services with internal accounting systems via REST APIs,

enabling real-time financial reporting and seamless data flow

• Integrated LLM-based text understanding to interpret unstructured client inputs and convert them into

structured invoice line items

Tech: Node.js, PostgreSQL, AWS

• Built and maintained internal tools that streamlined operations, reducing support workload and improving

system reliability

• Improved order fulfillment accuracy by 35% by designing automated database sync jobs and validation

scripts in Node.js

• Led a small engineering team, reviewed code changes, and improved delivery velocity through better task

breakdown and documentation

• Boosted customer retention by 20% by analyzing behavioral data and implementing targeted improvements

• Delivered exceptional customer service remotely from home, ensuring high satisfaction levels

• Provided comprehensive technical support solutions remotely

• Facilitated hardware and software setup for business owners and employees, both remotely and on-site

• Conducted remote product troubleshooting to identify and resolve issues efficiently

• Investigated and resolved customer-related issues related to services and servers, ensuring optimal functionality